[GHC] #7285: mkWeakMVar is non-compositional

[GHC]

#7285: mkWeakMVar is non-compositional
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        Reporter:  edsko             |                   Owner:  ekmett
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Core Libraries    |                 Version:  7.6.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by thomie):

 The libraries proposal mentioned in comment:7:
 https://mail.haskell.org/pipermail/libraries/2014-November/024143.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7285#comment:9>
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